Wireless Network Architect Exam (212-30)

e-building and deploying mobile and wireless devices over the network With the proliferation of digital cell phones, second generation cordless phones, and devices such as the Palm Pilot and emerging third generation (3G) wireless systems.

Test Objectives

Introduction to Wireless Communications

• Explain how the major wireless technologies are used today
• Describe the applications used in wireless technology
• List and explain the advantages of wireless technology
• List and explain the disadvantages of wireless technology

How Wireless Works

• Explain how network data is represented using binary notation
• List and explain the two types of wireless transmission
• Describe the different ways in which data can be transmitted by radio waves

Understanding Radio Frequency Communications

• List the components of a radio system
• Describe how different factors affect the design of a radio system
• Tell why standards are beneficial and list the major telecommunications standards
• Organizations
• Explain the radio frequency spectrum

Infrared

• Explain the differences between the OSI communications model and the IEEE 802 communications standards
• Tell how an infrared WLAN transmits data
• Describe the features of IrDA

Bluetooth

• Explain how Bluetooth is used
• Tell how Bluetooth works
• Describe several issues that Bluetooth faces

Low-Speed Wireless Local Area Networks

• Give examples of how WLANs are used today
• List the components and modes of a WLAN
• Tell the advantages and disadvantages of HomeRF
• Explain the background of IEEE 802.11 WLANs
• Describe how an 802.11b network functions

High-Speed WLANs and WLAN Security

• Tell how IEEE 802.11a networks function and how they differ from IEEE 802.11b
• Networks
• List the advantages and disadvantages of an IEEE 802.11g network
• Describe HiperLAN/2 networks
• Compare low-speed and high-speed WLANs
• Explain basic and enhanced WLAN security facilities

Digital Cellular Telephony

• Describe the applications that can be used on a digital cellular telephone
• Explain how cellular telephony functions
• List and describe the features of the generations of cellular telephony
• List and describe the four types of client software used on a digital cellular telephone
• Discuss the issues surrounding 3G implementation

Fixed Wireless

• Define fixed wireless
• Explain the features of a remote wireless bridge
• List and describe three types of land-based fixed broadband wireless devices
• Tell how satellite transmissions work

Wireless Communications in Business

• List the advantages of wireless communications
• Discuss the challenges of wireless communications
• Explain the steps needed to build a wireless infrastructure